Long-term performance of spent fuel waste forms

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Division of Engineering, Office of Nuclear Regulatory Research, U.S. Nuclear Regulatory Commission , Washington, DC
Reactor fuel reprocessing -- United States -- Waste disposal., Groundwater -- Pollution -- Research -- United States., Radioactive waste disposal -- Research -- United States., Hazardous waste sites -- United States -- Leac
Other titlesLong term performance of spent fuel waste forms.
Statementprepared by J.L. Means ... [et al.].
ContributionsMeans, Jeffrey L., U.S. Nuclear Regulatory Commission. Office of Nuclear Regulatory Research. Division of Engineering., Battelle Memorial Institute. Columbus Laboratories.
The Physical Object
Pagination1 v. (various pagings) :
ID Numbers
Open LibraryOL17570032M

Get this from a library. Long-term performance of spent fuel waste forms. [Jeffrey L Means; U.S. Nuclear Regulatory Commission. Office of Nuclear Regulatory Research.

Division of Engineering.; Battelle Memorial Institute.

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Columbus Laboratories.;]. @article{osti_, title = {Spent fuel as a waste form: Data needs to allow long term performance assessment under repository disposal conditions}, author = {Oversby, V M}, abstractNote = {Performance assessment calculations are required for high level waste repositories for a period of 10, years.

The Siting Guidelines require a comparison of sites following site characterization and. Since the IAEA has been organizing coordinated research projects on the behaviour of power reactor spent fuel during long term (or extended) storage. The current publication provides an update on national spent fuel management strategies, ongoing spent fuel and system performance in wet and dry storage, and latest national research and development activities relating to spent fuel storage.

INTERNATIONAL ATOMIC ENERGY AGENCY, Demonstrating Performance of Spent Fuel and Related Storage System Components during Very Long Term Storage.

Description Long-term performance of spent fuel waste forms FB2

Spent fuel storage has become an important component of spent fuel management options. As storage durations increase, spent fuel performance is a critical issue. This publication presents the results of an IAEA coordinated research project on this topic and contains useful information on the integrity and degradation of spent fuel during storage.

Long-term storage of spent nuclear fuel. Subjects. To design reliable and safe geological repositories it is critical to understand how the characteristics of spent nuclear fuel evolve with time, and how this affects the storage by: of spent fuel were considered as high level waste (HLW). Today most of the fuel extracted every year from nuclear reactors is considered as waste, with a relatively small quantity of spent fuel being reprocessed.

When managed as a waste, spent fuel will need to be conditioned into an acceptable waste form for deep geological disposal.

Spent Fuel and Storage Facility Components during Long-term Storage, implemented during the years –, involved organizations from 12 countries: Argentina, Canada, FRG, Finland, GDR, Hungary, Italy, the Republic of Korea, Japan, the UK, the USA and the USSR.

Long-term storage and disposal of spent fuel. by Alexander Nechaev, Vladimir Onufriev, and As widely known, both spent fuel and vitrified high- level waste (HLW) are sources of high radioactivity and decay heat. Consequently, spent-fuel assemblies should be stored in cooling media before further management.

The license for the storage of spent nuclear fuel assemblies in dry casks is limited to 40 years. In Germany, a site for a final repository of spent fuel is not yet available. Spent fuel 1. Nuclear fuel removed from a reactor following irradiation, that is no longer usable in its present form.1 2.

Nuclear fuel that has been irradiated in and permanently removed from a reactor core. Storage The holding of spent fuel or of radioactive waste in a facility that provides for their/its conspent fuelFile Size: KB.

In addition, an international Joint Working Group has been established to address the safety of dual purpose (transport and storage) casks for spent nuclear fuel in a holistic manner.

Assistance is provided to the Member States, upon their request, through national, regional and interregional technical cooperation projects, as well as through peer reviews of radioactive waste management programmes. An International Conference on Storage of Spent Fuel from Power Reactors was held in Vienna from 2 to 6 June The conference was organized by the International Atomic Energy Agency in co-operation with the OECD Nuclear Energy Agency.

The conference gave an opportunity to exchange information on the state of the art andFile Size: 4MB. High Level Waste – Scientific Challenges 43 03d – 10 32 J.-W. Kim Korea Recent Safety Assessment of a Reference Geological Disposal System for Radioactive Waste from Pyro-Processing in Korea 47 03d – 11 34 Y.

Kovbasenko Ukraine Assessment of Decay Heat in Process of Spent Nuclear Fuel Disposal 51 03d – 12 94 S. Suzuki JapanFile Size: 3MB. Advanced Fuel Cycles and Long-Term Storage of Spent Fuel Research and Development Dr. John W. Herczeg Associate Deputy Assistant Secretary Fuel Cycle Technologies Office of Nuclear Energy U.S.

Department of Energy Nuclear Regulatory Commission Ap the Management of Spent Fuel from Nuclear Power Reactors, which took place from 31 May to 4 June The conference addressed all aspects of spent fuel management, from national policy to legal and regulatory aspects, experience with spent fuel storage, reprocessing and recycling options and long term storage and disposal.

Long-Term Performance of Candidate Materials for HLW/Spent Fuel Disposal Containers E. Smailos, M.Á. Cuñado1), I. Azkarate2), B. Kursten3), G. Marx4) Institut für Nukleare Entsorgung 1) ENRESA, Spain 2) INASMET, Spain 3)Belgium 4)Germany EC-Contract No. FIKW-CT 2. Annual Progress Report (November - October.

Spent nuclear fuel—the used fuel removed from nuclear power reactors—is expected to accumulate at an average rate of about 2, metric tons per year in the United States. This spent nuclear fuel is mostly stored wet, submerged in pools of water.

However, since. Application form B for authorisation of shipment(s) of spent fuel Ref: LIT MS Word Document, KB This file may not be suitable for users of assistive technology.

Currently this older material is stored at a few defense locations across the country. While it is also secure, and there is far less of this high level waste material than commercial spent fuel, a solution for the long-term disposal of this material is needed to address our Cold War legacy.

UO2 Fuel: Study of spent fuel compositions for long-term disposal. John C. Wagner and Georgeta Radulescu (ORNL, USA) November, 1. Introduction.

The concept of taking credit for the reduction in reactivity due to fuel burnup is commonly referred to as burnup credit. 1 “Spent Nuclear Fuel” (SNF) is sometimes referred to as “used” nuclear fuel.

This difference in terminology often This difference in terminology often reflects a significant policy debate about whether SNF is a waste destined for disposal, or a resource. UO2 Fuel: Study of spent fuel compositions for long-term disposal Page 1 of 17 Specification for Phase VII Benchmark UO 2 Fuel: Study of spent fuel compositions for long-term disposal John C.

Wagner and Georgeta Radulescu (ORNL, USA) November, 1. Introduction. performance than that of UO2 and UO2–based mixed oxide. • ThO2 is relatively inert and does not oxidize unlike UO2, which oxidizes easily to U3O8 and UO3.

Hence, long term interim storage and permanent disposal in repository of spent ThO2–based fuel are simpler without the problem of Size: 1MB. 3 Waste Forms: 4 Waste Processing and Waste Form Production: 5 Waste Form Testing: 6 Waste Forms and Disposal Environments: 7 Waste Form Performance in Disposal Systems: 8 Legal and Regulatory Factors for Waste Form Performance: 9 Possible Opportunities in Waste Form Science and Technology: Option 1.

Accumulate up to gallons of recyclable fuel waste on your site for up to a year. • Store the waste in closed, leak -proof containers labeled with the date you first accumulated that waste in the container and the words ‘Recyclable Fuel’ or ‘Waste Fuel for Recycling’.

• Store the waste containers indoors in an area that. The presence of U will affect the long-term radioactive decay of the spent fuel. If compared with MOX fuel, the activity around one million years in the cycles with thorium will be higher due to the presence of the not fully decayed U The Standard Review Plan for Spent Fuel Dry Storage Facilities (FSRP) provides guidance to the staff of the U.S.

Nuclear Regulatory Commission for reviewing applications for license approval or renewal for commercial independent spent fuel storage installations (ISFSIs). An ISFSI may be co-located with a reactor or may be away from a reactor site.

Long-Term Performance of Candidate Materials for HLW/Spent Fuel Disposal Containers 1. Annual Progress Report (November - October ) E. Smailos, M.Á.

Cuñado1), I. Azkarate2), B. Kursten3), G. Marx4) Institut für Nukleare Entsorgung 1) ENRESA,Spain 2) INASMET, Spain 3)Belgium 4)Germany EC-Contract No. FIKW-CT Waste forms. The long-term performance of waste and the systems designed to isolate it from "man and his environment" are studied here.

For instance the corrosion of uranium dioxide is studied at the ITU. Spent fuel characterisation. The ITU performs Post Irradiation Examination of spent nuclear fuel.

Partitioning and transmutation. waste (HLRW) in the United States? A. We do not have a reliable long-term storage site for these wastes.

B.

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We are running out of space in the short-term steel-lined pools the wastes are stored in. C. The longest half-life of materials in the HLRW is about years.

D. Some sites are storing the waste in large steel casks.Spent fuel related long-term aspects Thermal creep. Thermal creep could be considered as a possible cladding degradation mechanism.

Nevertheless, maximum creep strain during dry storage must not exceed 1% in Germany. This has been demonstrated by the licensees for the initial 40 years of Author: F.

Rowold, K. Hummelsheim, S. Keßen, J. Stewering.A source-term model for the short-term release of radionuclides from spent nuclear fuel (SNF) has been developed. It provides quantitative estimates of the fraction of various radionuclides that are expected to be released rapidly (the instant release fraction, or IRF) when water contacts the UO 2 or MOX fuel after container breaching in a geological by: